Because she was a Martyr for Christ.
Catherine of Alexandria was from Alexandria, Egypt.
If you are referring to Catherine of Alexandria, she was from Alexandria in North Africa.
Catherine of Alexandria was born in Alexandria, Egypt.
Catherine was beheaded in Alexandria, North Africa.
The feast of Catherine of Alexandria is on November 25.
She was martyred in Alexandria, Egypt.
Saint Catherine of Alexandria
When the discovery of her remains was made known, 500 years after her martyrdom.
She was beheaded about the year 305 in Alexandria, Egypt.
Catherine was born in Alexandria, Egyot, late in the third century. She was beheaded about the year 305 AD in Alexandria.
St. Catherine of Alexandria.
Most likely both in Alexandria Egypt.